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Related Experiment Video

Updated: May 19, 2026

Impression Cytology of the Lid Wiper Area
07:01

Impression Cytology of the Lid Wiper Area

Published on: August 9, 2016

Assessing the human lid margin epithelium using impression cytology.

Isabelle Jalbert1, Michele C Madigan, Mei Shao

  • 1School of Optometry and Vision Science, University of New South Wales, UNSW, Australia.

Acta Ophthalmologica
|August 7, 2012
PubMed
Summary
This summary is machine-generated.

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Impression cytology effectively samples human upper eyelid margin epithelium. Histochemistry and immunocytochemistry reveal epithelial changes, aiding diagnosis of conditions like dry eye.

Area of Science:

  • Ophthalmology
  • Cell Biology
  • Histology

Background:

  • The human upper eyelid margin epithelium's characteristics are crucial for ocular surface health.
  • Assessing this epithelium traditionally involves invasive methods or less detailed imaging.

Purpose of the Study:

  • To evaluate the efficacy of impression cytology combined with histochemical and immunocytochemical staining for analyzing the human upper eyelid margin epithelium.
  • To determine if this combined technique can identify epithelial changes relevant to ocular surface conditions.

Main Methods:

  • Impression cytology samples were collected from the upper eyelid margins of 40 healthy subjects.
  • Samples were stained using Periodic Acid Schiff (PAS) and hematoxylin for morphology (Nelson grade).
  • Immunocytochemistry was performed to analyze keratinization-related proteins (filaggrin, TGase1, cytokeratin 1/10).

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A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
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In Vivo Confocal Microscopy in the Diagnosis and Management of Dry Eye: A Focus on Imaging Protocols and Interpretation
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In Vivo Confocal Microscopy in the Diagnosis and Management of Dry Eye: A Focus on Imaging Protocols and Interpretation

Published on: November 11, 2025

Related Experiment Videos

Last Updated: May 19, 2026

Impression Cytology of the Lid Wiper Area
07:01

Impression Cytology of the Lid Wiper Area

Published on: August 9, 2016

A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
07:35

A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva

Published on: July 5, 2017

In Vivo Confocal Microscopy in the Diagnosis and Management of Dry Eye: A Focus on Imaging Protocols and Interpretation
08:13

In Vivo Confocal Microscopy in the Diagnosis and Management of Dry Eye: A Focus on Imaging Protocols and Interpretation

Published on: November 11, 2025

Main Results:

  • Impression cytology successfully captured eyelid margin epithelium, showing transitions from conjunctival to squamous epithelium.
  • Histochemical and immunocytochemical staining demonstrated differential expression of keratinization proteins correlating with epithelial morphology.
  • No significant differences in lid margin staining or Nelson grade were found between contact lens wearers and non-wearers.

Conclusions:

  • Impression cytology is a viable method for sampling eyelid margin epithelium.
  • Histochemistry and immunocytochemistry provide detailed characterization of the epithelium.
  • This approach holds potential for assessing lid margin alterations in dry eye and meibomian gland dysfunction.